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You are right Chubler_XL. Ubuntu allows float number as sleep time.
Appreciate your help.

I'm running Ubuntu 10.10, 2.6.35-24-generic kernel.

My code now looks like :

#!/bin/sh
./prog $1 &
myPID=$!

sleep 1
kill -0 $myPID

if [ $? -ne 0 ] ; then
echo 'process terminated'...

Hello

I have a program (prog) that accepts a parameter in order to execute some internal loop grabbing memory in each iteration. I'm using top to monitor the memory usage and to produce an...

Finally I have build the following code.

awk produces a file replaced.txt which is a log of the changes that will take place. It logs line, filename and the changed line.

sed makes the changes....

Thanks for the reply but I'm a little lost.
What the redirection /dev/null 2 is? And a 2nd redirection after that?
Can we direct output in two directions at the some time?

That's my main...

Hello

I'm (another) newbie in bash scripting (my second day).
I'm trying to locate a phrase in a number of files (multiple files in subdirectories) replace this phrase with another one
and...